package.py: Move aur_get_package_status()
package.py: Fix AUR version detection with new pkgconf

Existing AUR packages in devsrc that do not yet have a pkgconf were improperly
reported as CURRENT even though they were not.
Remove wine-git as a test package.

wine-git has too many dependencies and was slowing down test runs. It has been
replaced with stand_alone_package.
Refactor load_configuration_from_path test